22021011340144 has 40 divisors (see below), whose sum is σ = 43365768254960. Its totient is φ = 10829850508800.

The previous prime is 22021011340103. The next prime is 22021011340193. The reversal of 22021011340144 is 44104311012022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99559627 + ... + 99780565.

It is an arithmetic number, because the mean of its divisors is an integer number (1084144206374).

Almost surely, 2^{22021011340144} is an apocalyptic number.

It is an amenable number.

22021011340144 is a deficient number, since it is larger than the sum of its proper divisors (21344756914816).

22021011340144 is a wasteful number, since it uses less digits than its factorization.

22021011340144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323129 (or 323123 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 22021011340144 its reverse (44104311012022), we get a palindrome (66125322352166).

The spelling of 22021011340144 in words is "twenty-two trillion, twenty-one billion, eleven million, three hundred forty thousand, one hundred forty-four".